the hormones,pancreas,pitulary,etc
1: Teens should be aware of those issues for many reason! Such as helping there future! Helping them have healthy and a not sickness life!
2: So everyone is safe!
3:Not sure sorry
2 Options
1. The person will act more serious knowing the consequences on life but a con of that may be infliction of his pain to their offspring.
2. Inflict the discipline and harm on others
Your answer will be A) reactive depression because it is the only one of the options that has something to do with stress/trauma
Systemic or possibly arterial circulation.